This article surveys the use of natural language in robotics from a robotics point of view. To
use human language, robots must map words to aspects of the physical world, mediated by …

Purpose Conversational agents (chatbots, avatars and robots) are increasingly substituting
human employees in service encounters. Their presence offers many potential benefits, but …

Physical embodiment is a required component for robots that are structurally coupled with
their real-world environments. However, most socially interactive robots do not need to …

Gone are the days of robots solely operating in isolation, without direct interaction with
people. Rather, robots are increasingly being deployed in environments and roles that …

Technological advancements have recently enabled researchers to build increasingly
human-like agents with many of these agents being used for educational purposes. Despite …

Embodied conversational agents (ECAs) are increasingly used in healthcare and other
settings to improve self-management and provide companionship. Their ability to form close …

Virtual agents are systems that add a social dimension to computing, often featuring not only
natural language input but also an embodiment or avatar. This allows them to take on a …

One key technique people use in conversation and collaboration is conversational repair.
Self-repair is the recognition and attempted correction of one's own mistakes. We investigate …

In this chapter, we provide a review of conversational agents (CAs), discussing chatbots,
intended for casual conversation with a user, as well as task-oriented agents that generally …

Successful collaboration relies on the coordination and alignment of communicative cues. In
this paper, we present mechanisms of bidirectional gaze-the coordinated production and …